Question

What steps do I need to do to solve this

Answer 1

Explanation

To find the length of b we will use the formula for the pythagorean theorem.

$\begin{gathered} hypotenuse^2=base\text{ }side^2+perpendicular\text{ s}ide^2 \\ b^2+4^2=5^2 \end{gathered}$

Answer: Option 1